STOCK-BASED COMPENSATION AND STOCK REPURCHASE PROGRAM (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended		164 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	5 years
Expiration period	10 years
Treasury stock, shares	112,996		112,996	112,996
Cost of shares repurchased by ESOP trust	$ 2,300
Average cost of shares repurchased (per share)	$ 10.58
Description of loan with respect to employee stock ownership plan	In 2006 the ESOP trust purchased 217,863 shares of common stock in the open market using proceeds of a loan from the Company. The total cost of shares purchased by the ESOP trust was $2.3 million, reflecting an average cost per share of $10.58. The Bank makes cash contributions to the ESOP on an annual basis sufficient to enable the ESOP to make the required loan payments to the Company. The loan bears a variable interest rate that adjusts annually every January 1st to the then published Prime Rate (3.25% at January 1, 2021) with principal and interest payable annually in equal installments over thirty years. The loan is secured by shares of the Company’s stock.
Interest rate of loan with respect to employee stock ownership plan	3.25%		3.25%
Shares allocated	217,863		217,863
ESOP compensation expense	$ 50	$ 101
Total ESOP shares	217,863		217,863
Second Repurchase Program [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum stock repurchase authorization (as a percent)			5.00%
Stock authorized to be repurchased (in shares)	129,924		129,924
Stock repurchased during period (in shares)			91,000
Remaining shares available to be repurchased	38,924		38,924
Common stock average cost (in dollars per share)			$ 8.41